Home / 30,335,912.80-45,503,869.20-11,180,417.20

Finding the Fourth Proportional to 30,335,912.80, 45,503,869.20 and 11,180,417.20

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Solution

The fourth proportional to 30,335,912.80, 45,503,869.20 and 11,180,417.20 is: 16,770,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335,912.80 : 45,503,869.20 = 11,180,417.20 : x
  2. Step 2: Convert to fraction form
    30,335,912.80/45,503,869.20 = 11,180,417.20/x
  3. Step 3: Cross multiply
    30,335,912.80x = 45,503,869.20 × 11,180,417.20
  4. Step 4: Simplify right side
    30,335,912.80x = 508,752,241,870,230.25
  5. Step 5: Solve for x
    x = 508,752,241,870,230.25/30,335,912.80
  6. Step 6: Final answer
    x = 16,770,625.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.